JPS63122417A - Medical flexible tube - Google Patents
Medical flexible tubeInfo
- Publication number
- JPS63122417A JPS63122417A JP61270462A JP27046286A JPS63122417A JP S63122417 A JPS63122417 A JP S63122417A JP 61270462 A JP61270462 A JP 61270462A JP 27046286 A JP27046286 A JP 27046286A JP S63122417 A JPS63122417 A JP S63122417A
- Authority
- JP
- Japan
- Prior art keywords
- flexible tube
- medical
- inner flexible
- tip
- view
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005452 bending Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000008155 medical solution Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は内側可撓管を外側可撓管より突出させて体腔内
で使用される医療用可撓管に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a medical flexible tube that is used within a body cavity with an inner flexible tube protruding from an outer flexible tube.
従来、この種の医療用可撓管としては、特開昭５９−１
８３″７６６号公報および実開昭６０−１８７７３８号
公報に示されているように、内側可撓管の先端部に曲り
癖を付与し、この内側可撓管を外側可撓管の先端より突
出させることにより内側可撓管の先端部を適当な角度に
湾曲させ、体腔内への挿入を行っていた。Conventionally, as this type of medical flexible tube, Japanese Patent Application Laid-Open No. 59-1
As shown in 83''766 and Japanese Utility Model Application Publication No. 60-187738, the tip of the inner flexible tube is given a bending tendency, and the inner flexible tube protrudes from the tip of the outer flexible tube. By doing so, the distal end of the inner flexible tube was bent at an appropriate angle, and the tube was inserted into the body cavity.
しかしながら、このような医療用可撓管は外側可撓管が
内側可撓管の一部に付与されている曲り癖を拘束できる
程度の剛性を有していなければならず、そのために体腔
内へ挿入するには適当でなかった。However, such medical flexible tubes must have enough rigidity that the outer flexible tube can restrain the bending tendency imparted to a portion of the inner flexible tube. It was not suitable for insertion.
本発明はこのような問題点に着目してなされたもので、
その目的とするところは、適当な可撓性を有し、体腔内
への挿入が容易な医療用可撓管を提供することにある。The present invention was made by focusing on these problems.
The purpose is to provide a medical flexible tube that has appropriate flexibility and is easy to insert into a body cavity.
Ｃ問題点を解決するための手段〕
上記問題点を解決するために本発明は、内側可撓管およ
び外側可撓管の各々に互いに当接する部位を少なくとも
１箇所設け、前記内側可撓管を外側可撓管に対して進退
させることにより前記当接部位を中心に内側可撓管を湾
曲せしめることを特徴とするものである。Means for Solving Problem C] In order to solve the above problems, the present invention provides at least one portion in each of the inner flexible tube and the outer flexible tube that abuts each other, and the inner flexible tube is It is characterized in that the inner flexible tube is curved around the abutment area by moving the inner flexible tube forward and backward relative to the outer flexible tube.
以下、図面を参照して本発明の実施例について説明する
。Embodiments of the present invention will be described below with reference to the drawings.
第１図乃至第５図は本発明の第１実施例を示し、第１図
は医療用可撓管の先端部分を示す斜視図である。この医
療用可撓管１は内側可撓管２と外側可撓管３とからなり
、内側可撓管２には体腔内へ′ 薬液を注入したり、体
腔内の汚物等を吸引する時に用いられる複数の貫通孔４
が設けられている。1 to 5 show a first embodiment of the present invention, and FIG. 1 is a perspective view showing the distal end portion of a medical flexible tube. This medical flexible tube 1 consists of an inner flexible tube 2 and an outer flexible tube 3, and the inner flexible tube 2 is used for injecting a medical solution into a body cavity or suctioning dirt, etc. in a body cavity. A plurality of through holes 4
is provided.
また、内側可撓管２は第２図に示すように外側可撓管３
より突出した部分の後端に外側可撓管３の外側当接面６
と当接する内側当接面５を有し、この内側当接面５を境
にして断面形状が異形状となっている。上記外側当接面
６は外側可撓？！３の先端部内周面に設けられ、この外
側当接面６を境にして後端側は第３図に示すように内側
可撓管２の輪郭と同形の断面形状となっている。なお、
内側可撓管２は外側可撓管３に対して進退自在となって
いる。In addition, the inner flexible tube 2 is connected to the outer flexible tube 3 as shown in FIG.
The outer abutment surface 6 of the outer flexible tube 3 is located at the rear end of the more protruding portion.
It has an inner abutting surface 5 that comes into contact with the inner abutting surface 5, and has an irregular cross-sectional shape with this inner abutting surface 5 as a boundary. Is the above outer contact surface 6 flexible on the outside? ! 3, and the rear end side with this outer contact surface 6 as a boundary has a cross-sectional shape that is the same as the outline of the inner flexible tube 2, as shown in FIG. In addition,
The inner flexible tube 2 can move forward and backward relative to the outer flexible tube 3.
このような構成において内側可撓管２を図中右方に引張
ると、内側可撓管２の内側当接面５と外側可撓管３の外
側当接面６とが当接する。この状態でさらに内側可撓管
２を引張ると、内側当接面５が設けられている側は外側
当接面６に拘束されているが、内側当接面５の反対側は
外側当接面６に拘束されていないため外側可撓管３内に
引込まれる。これにより内側当接面５を中心に曲げモー
メントが生じ、内側可撓管２の先端を第４図に示すよう
に湾曲させることができる。なお、外側可撓管３には第
５図に示すように外周面上に開口する内孔７があっても
よい。In such a configuration, when the inner flexible tube 2 is pulled to the right in the figure, the inner abutting surface 5 of the inner flexible tube 2 and the outer abutting surface 6 of the outer flexible tube 3 come into contact. When the inner flexible tube 2 is further pulled in this state, the side on which the inner abutment surface 5 is provided is restrained by the outer abutment surface 6, but the side opposite to the inner abutment surface 5 is restrained by the outer abutment surface. Since it is not restrained by the outer flexible tube 6, it is drawn into the outer flexible tube 3. As a result, a bending moment is generated around the inner abutment surface 5, and the tip of the inner flexible tube 2 can be curved as shown in FIG. Note that the outer flexible tube 3 may have an inner hole 7 that opens on the outer peripheral surface, as shown in FIG.
次に第６図および第７図は本発明の第２実施例を示し、
この実施例の内側当接面５は第１実施例のように内側可
撓管２の軸方向に対して垂直な端面ではなく、内側可撓
管２の外周に傾斜して設けられている。そして、外側可
撓管３の外側当接面６は外側可撓管３の先端面となって
いる。このように内側可撓管２の内側当接面５を内側可
撓管２の軸方向に対して傾斜させることにより、第１実
施例と同様に内側可撓管２の先端を湾曲させることがで
きるとともに、内側当接面５の傾斜角度を変えることに
より最大湾曲角度を任意に設定することができる。Next, FIGS. 6 and 7 show a second embodiment of the present invention,
The inner abutment surface 5 of this embodiment is not an end face perpendicular to the axial direction of the inner flexible tube 2 as in the first embodiment, but is provided at an angle on the outer circumference of the inner flexible tube 2. The outer abutment surface 6 of the outer flexible tube 3 is the tip end surface of the outer flexible tube 3. By inclining the inner abutting surface 5 of the inner flexible tube 2 with respect to the axial direction of the inner flexible tube 2 in this way, the tip of the inner flexible tube 2 can be curved as in the first embodiment. In addition, by changing the inclination angle of the inner abutment surface 5, the maximum bending angle can be arbitrarily set.
また、第８図乃至第１１図は本発明の第３実施例を示す
ものである。この実施例では外側可撓管３の先端面の一
部に突起部８を設け、この突出部８の先端側と後端側に
先端側当接面９および後端側当接面１０を設ける。一方
、内側可撓管２の外周面には切欠状の段差部１１を設け
、その両壁にそれぞれ先端側当接面１２および後端側当
接面１３を設ける。そして、段差部１１に上記突起部８
を嵌め込んで内側可撓管２を外側可撓管３に対して進退
させると、内側可撓管２の先端側当接面１２および後端
側当接面１３が外側可撓管３の先端側当接面９および後
端側当接面１０に当接するので、内側可撓管２の先端を
第１０図および第１１図に示すように上下方向に湾曲さ
せることができる。Further, FIGS. 8 to 11 show a third embodiment of the present invention. In this embodiment, a protrusion 8 is provided on a part of the distal end surface of the outer flexible tube 3, and a distal contact surface 9 and a rear abutment surface 10 are provided on the distal and rear end sides of the protrusion 8. . On the other hand, a notch-shaped stepped portion 11 is provided on the outer circumferential surface of the inner flexible tube 2, and a distal end side abutting surface 12 and a rear end side abutting surface 13 are provided on both walls, respectively. Then, the protrusion 8 is attached to the stepped portion 11.
When the inner flexible tube 2 is moved forward and backward with respect to the outer flexible tube 3 by inserting the Since it comes into contact with the side contact surface 9 and the rear end side contact surface 10, the tip of the inner flexible tube 2 can be curved in the vertical direction as shown in FIGS. 10 and 11.
以上説明したように本発明によれば、適当な可撓性をを
し、体腔内への挿入が容易な医療用可撓管を提供できる
。As described above, according to the present invention, it is possible to provide a medical flexible tube that has appropriate flexibility and is easy to insert into a body cavity.
第１図乃至第５図は本発明の第１実施例を示し、第１図
は医療用可撓管の先端部分を示す斜視図、第２図はその
断面図、第３図は第２図のＡ−Ａ断面図、第４図は内側
可撓管の先端を湾曲させた状態を示す断面図、第５図は
外側可撓管の断面図、第６図および第７図は本発明の第
２実施例を示し、第６図は医療用可撓管の先端部分を示
す斜視図、第７図はその側面図、第８図乃至第１１図は
本発明の第３実施例を示し、第８図は外側可撓管の先端
部分を示す斜視図、第９図は内側可撓管の先端部分を示
す斜視図、第１０図は内側可撓管の先端を下方向に湾曲
させた状態を示す断面図、第１１図は内側可撓管の先端
を上方向に湾曲させた状態を示す断面図である。
１・・・医療用可撓管、２・・・内側可撓管、３・・・
外側可撓管、５・・・内側当接面、６・・・外側当接面
、９゜１２・・・先端側当接面、１０．１３・・・後端
側当接面。
第３図
第４図
第Ｓ図
第８図
１１０ ＩＩＡ1 to 5 show a first embodiment of the present invention, in which FIG. 1 is a perspective view showing the distal end portion of a medical flexible tube, FIG. 2 is a sectional view thereof, and FIG. FIG. 4 is a cross-sectional view showing the state in which the tip of the inner flexible tube is curved, FIG. 5 is a cross-sectional view of the outer flexible tube, and FIGS. 6 and 7 are cross-sectional views of the present invention. A second embodiment is shown, FIG. 6 is a perspective view showing the distal end portion of a medical flexible tube, FIG. 7 is a side view thereof, and FIGS. 8 to 11 show a third embodiment of the present invention, Figure 8 is a perspective view showing the tip of the outer flexible tube, Figure 9 is a perspective view of the tip of the inner flexible tube, and Figure 10 is a state in which the tip of the inner flexible tube is bent downward. FIG. 11 is a sectional view showing a state in which the distal end of the inner flexible tube is curved upward. 1...Medical flexible tube, 2...Inner flexible tube, 3...
Outer flexible tube, 5...Inner contact surface, 6...Outer contact surface, 9°12...Tip side contact surface, 10.13...Rear end side contact surface. Figure 3 Figure 4 Figure S Figure 8 Figure 110 IIA
Claims (1)
れる医療用可撓管において、前記内側可撓管および外側
可撓管の各々に互いに当接する部位を少なくとも１箇所
設け、前記内側可撓管を外側可撓管に対して進退させる
ことにより前記当接部位を中心に内側可撓管を湾曲せし
めることを特徴とする医療用可撓管。In a medical flexible tube used in a body cavity with an inner flexible tube protruding from an outer flexible tube, each of the inner flexible tube and the outer flexible tube is provided with at least one portion where they come into contact with each other, and the A medical flexible tube, characterized in that the inner flexible tube is moved back and forth relative to the outer flexible tube to curve the inner flexible tube around the abutment area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61270462A JPS63122417A (en) | 1986-11-13 | 1986-11-13 | Medical flexible tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61270462A JPS63122417A (en) | 1986-11-13 | 1986-11-13 | Medical flexible tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63122417A true JPS63122417A (en) | 1988-05-26 |
Family
ID=17486631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61270462A Pending JPS63122417A (en) | 1986-11-13 | 1986-11-13 | Medical flexible tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63122417A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014525602A (en) * | 2011-08-24 | 2014-09-29 | アンジェロ トルトラ | Applications and methods for surgical skill training |
| JP2015519097A (en) * | 2012-04-13 | 2015-07-09 | マウナ ケア テクノロジーズ | Small scanning system |
-
1986
- 1986-11-13 JP JP61270462A patent/JPS63122417A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014525602A (en) * | 2011-08-24 | 2014-09-29 | アンジェロ トルトラ | Applications and methods for surgical skill training |
| JP2015519097A (en) * | 2012-04-13 | 2015-07-09 | マウナ ケア テクノロジーズ | Small scanning system |
| US9655499B2 (en) | 2012-04-13 | 2017-05-23 | Mauna Kea Technologies | Miniaturized scanning system |
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